CA143214A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA143214A
CA143214A CA000143214A CA143214DA CA143214A CA 143214 A CA143214 A CA 143214A CA 000143214 A CA000143214 A CA 000143214A CA 143214D A CA143214D A CA 143214DA CA 143214 A CA143214 A CA 143214A
Authority
CA
Canada
Prior art keywords
telephone system
telephone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000143214A
Other languages
English (en)
Inventor
Oliver Coleman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA143214A publication Critical patent/CA143214A/fr
Expired legal-status Critical Current

Links

CA000143214A 1912-04-09 1912-04-09 Systeme telephonique Expired CA143214A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA143214T 1912-04-09

Publications (1)

Publication Number Publication Date
CA143214A true CA143214A (fr) 1912-10-08

Family

ID=45262929

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000143214A Expired CA143214A (fr) 1912-04-09 1912-04-09 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA143214A (fr)

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